Part 4: Goldenrod City — Whitney and the Plain Badge

The Bug-Catching Contest runs out of National Park on Route 35. Winning against Whitney gives the Plain Badge. The Radio Tower, the Game Corner and the Underground are all here, and Elm asks about swarms once Whitney is beaten.

Goldenrod City — Whitney and the Plain Badge opens 15 areas. There are 134 trainers standing in them. The fights at this checkpoint are Whitney, Rival — if you chose Totodile, Rival — if you chose Cyndaquil, and 1 more.

Where to go

1. Bills Familys House

   Wild: Eevee Lv 5

2. Goldenrod Game Corner

   Wild: Abra Lv 5, Cubone Lv 10, Dratini Lv 10, Porygon Lv 10

3. National Park

   Wild: Hoothoot 40% · Lv 13-15, Nidoran♀ 30% · Lv 12, Nidoran♂ 30% · Lv 12, Psyduck 30% · Lv 12 +7 more

   Trainers: Schoolboy Jack Lv 15, Pokéfan William Lv 16, Pokéfan Beverly Lv 16, Schoolboy Jack (upon reaching Goldenrod) Lv 17, Lass Krise Lv 17, Schoolboy Jack Lv 18 +18 more

   Pick up: TM28 Dig

4. National Park Bug Contest

   Wild: Caterpie 20% · Lv 7, Weedle 20% · Lv 7, Kakuna 10% · Lv 9, Metapod 10% · Lv 9 +6 more

5. Route 35

   Wild: Magikarp 100% · Lv 10, Psyduck 90% · Lv 15-20, Hoothoot 50% · Lv 10, Dratini 30% · Lv 40 +14 more

   Trainers: Bird Keeper Bryan Lv 14, Juggler Irwin Lv 14, Camper Ivan Lv 14, Officer Dirk Lv 14, Bug Catcher Arnie Lv 15, Picnicker Kim Lv 15 +28 more

   Pick up: TM04 Rollout

6. Route 35 Goldenrod Gate

   Wild: Spearow Lv 10

7. Goldenrod Underground

   Trainers: Pokémaniac Donald Lv 11, Super Nerd Eric Lv 11, Super Nerd Teru Lv 11, Pokémaniac Issac Lv 12, Pokémaniac Donald Lv 15, Super Nerd Eric Lv 15 +2 more

8. Goldenrod Gym

   Trainers: Lass Bridget Lv 15, Beauty Victoria Lv 16, Beauty Samantha Lv 16, Lass Carrie Lv 18, Lass Bridget Lv 18, Beauty Victoria Lv 19 +6 more

9. Radio Tower 2F

   Trainers: Rocket Grunt 2 Lv 23, Rocket Grunt Lv 25, Rocket Grunt 3 Lv 26, Rocket Grunt 4 Lv 26, Rocket Grunt 2 Lv 33, Rocket Grunt Lv 35 +2 more

10. Radio Tower 3F

    Trainers: Rocket Grunt Lv 23, Rocket Grunt 2 Lv 26, Rocket Grunt 3 Lv 26, Scientist Marc Lv 27, Rocket Grunt Lv 33, Rocket Grunt 2 Lv 36 +2 more

11. Radio Tower 1F

    Trainers: Rocket Grunt Lv 24, Rocket Grunt Lv 34

12. Goldenrod Underground Warehouse

    Trainers: Rocket Grunt Lv 24, Rocket Grunt 3 Lv 25, Rocket Grunt 2 Lv 26, Rocket Grunt Lv 32, Rocket Grunt 3 Lv 33, Rocket Grunt 2 Lv 34

13. Goldenrod Underground Switch Room Entrances

    Trainers: Rocket Grunt 3 Lv 24, Rocket Grunt Lv 25, Burglar Duncan Lv 25, Rocket Grunt 4 Lv 25, Burglar Eddie Lv 26, Rocket Grunt 2 Lv 27 +12 more

14. Radio Tower 4F

    Trainers: Rocket Grunt 2 Lv 24, Rocket Grunt Lv 25, Scientist Rich Lv 30, Rocket Executive Lv 33, Rocket Grunt 2 Lv 35, Rocket Grunt Lv 36 +2 more

15. Radio Tower 5F

    Trainers: Rocket Executive 2 Lv 32, Rocket Executive 3 Lv 32, Rocket Executive Lv 38, Rocket Executive 2 Lv 42, Rocket Executive 3 Lv 42, Rocket Executive Lv 46

★ Whitney — Goldenrod Gym

2 Pokémon · level cap Lv 20 (every cap) · Whitney’s own page

	Pokémon	Ability & item	Moves	Base stats
	Clefairy Lv 18 Normal		Doubleslap Mimic Encore Metronome	HP70Attack45Defense48Sp. Atk60Sp. Def65Speed35Total323
	Miltank Lv 20 Normal		Rollout Attract Stomp Milk Drink	HP95Attack80Defense105Sp. Atk40Sp. Def70Speed100Total490

★ Rival — if you chose Totodile — Goldenrod Underground Switch Room Entrances

5 Pokémon · level cap Lv 32 (every cap) · Rival — if you chose Totodile’s own page

	Pokémon	Ability & item	Moves	Base stats
	Golbat Lv 30 PoisonFlying		Swift Bite Confuse Ray Wing Attack	HP75Attack80Defense70Sp. Atk65Sp. Def75Speed90Total455
	Magnemite Lv 28 ElectricSteel		Spark Supersonic Sonicboom Thunder Wave	HP25Attack35Defense70Sp. Atk95Sp. Def55Speed45Total325
	Haunter Lv 30 GhostPoison		Night Shade Mean Look Curse Shadow Ball	HP45Attack50Defense45Sp. Atk115Sp. Def55Speed95Total405
	Sneasel Lv 32 DarkIce		Fury Swipes Icy Wind Screech Feint Attack	HP55Attack95Defense55Sp. Atk35Sp. Def75Speed115Total430
	Meganium Lv 32 Grass		Reflect Petal Dance Synthesis Body Slam	HP80Attack82Defense100Sp. Atk83Sp. Def100Speed80Total525

★ Rival — if you chose Cyndaquil — Goldenrod Underground Switch Room Entrances

5 Pokémon · level cap Lv 32 (every cap) · Rival — if you chose Cyndaquil’s own page

	Pokémon	Ability & item	Moves	Base stats
	Golbat Lv 30 PoisonFlying		Swift Bite Confuse Ray Wing Attack	HP75Attack80Defense70Sp. Atk65Sp. Def75Speed90Total455
	Magnemite Lv 28 ElectricSteel		Spark Supersonic Sonicboom Thunder Wave	HP25Attack35Defense70Sp. Atk95Sp. Def55Speed45Total325
	Haunter Lv 30 GhostPoison		Night Shade Mean Look Curse Shadow Ball	HP45Attack50Defense45Sp. Atk115Sp. Def55Speed95Total405
	Sneasel Lv 32 DarkIce		Fury Swipes Icy Wind Screech Feint Attack	HP55Attack95Defense55Sp. Atk35Sp. Def75Speed115Total430
	Feraligatr Lv 32 Water		Rage Water Gun Crunch Scary Face	HP85Attack105Defense100Sp. Atk79Sp. Def83Speed78Total530

Also fought around here

Everything you can have caught by this checkpoint · Open the interactive guide

This game's documentation doesn't say where 2 of its 1235 fights happen, so those trainers are on no part of this walkthrough; they are all on the Trainers page.